/**
 * Created by tangzhichao on 2017/2/27.
 */
(function (jQuery) {

  if (jQuery.browser) return;

  jQuery.browser = {};
  jQuery.browser.mozilla = false;
  jQuery.browser.webkit = false;
  jQuery.browser.opera = false;
  jQuery.browser.msie = false;
  jQuery.browser.msadge = false;

  var nAgt = navigator.userAgent;
  jQuery.browser.name = navigator.appName;
  jQuery.browser.fullVersion = '' + parseFloat(navigator.appVersion);
  jQuery.browser.majorVersion = parseInt(navigator.appVersion, 10);
  var nameOffset, verOffset, ix;
// In Opera, the true version is after "Opera" or after "Version"
  if ((verOffset = nAgt.indexOf("Opera")) != -1) {
    jQuery.browser.opera = true;
    jQuery.browser.name = "Opera";
    jQuery.browser.fullVersion = nAgt.substring(verOffset + 6);
    if ((verOffset = nAgt.indexOf("Version")) != -1)
      jQuery.browser.fullVersion = nAgt.substring(verOffset + 8);
  }
// In MSIE, the true version is after "MSIE" in userAgent
  else if ((verOffset = nAgt.indexOf("MSIE")) != -1) {
    jQuery.browser.msie = true;
    jQuery.browser.name = "Microsoft Internet Explorer";
    jQuery.browser.fullVersion = nAgt.substring(verOffset + 5);
  }
  // In MSADEG
  else if (navigator.appName === "Netscape") {
    jQuery.browser.msadge = true;
    jQuery.browser.name = "Edge";
    jQuery.browser.fullVersion = '1.0'; //没有做版本获取
  }
// In Chrome, the true version is after "Chrome"
  else if ((verOffset = nAgt.indexOf("Chrome")) != -1) {
    jQuery.browser.webkit = true;
    jQuery.browser.name = "Chrome";
    jQuery.browser.fullVersion = nAgt.substring(verOffset + 7);
  }
// In Safari, the true version is after "Safari" or after "Version"
  else if ((verOffset = nAgt.indexOf("Safari")) != -1) {
    jQuery.browser.webkit = true;
    jQuery.browser.name = "Safari";
    jQuery.browser.fullVersion = nAgt.substring(verOffset + 7);
    if ((verOffset = nAgt.indexOf("Version")) != -1)
      jQuery.browser.fullVersion = nAgt.substring(verOffset + 8);
  }
// In Firefox, the true version is after "Firefox"
  else if ((verOffset = nAgt.indexOf("Firefox")) != -1) {
    jQuery.browser.mozilla = true;
    jQuery.browser.name = "Firefox";
    jQuery.browser.fullVersion = nAgt.substring(verOffset + 8);
  }
// In most other browsers, "name/version" is at the end of userAgent
  else if ((nameOffset = nAgt.lastIndexOf(' ') + 1) <
    (verOffset = nAgt.lastIndexOf('/'))) {
    jQuery.browser.name = nAgt.substring(nameOffset, verOffset);
    jQuery.browser.fullVersion = nAgt.substring(verOffset + 1);
    if (jQuery.browser.name.toLowerCase() == jQuery.browser.name.toUpperCase()) {
      jQuery.browser.name = navigator.appName;
    }
  }
// trim the fullVersion string at semicolon/space if present
  if ((ix = jQuery.browser.fullVersion.indexOf(";")) != -1)
    jQuery.browser.fullVersion = jQuery.browser.fullVersion.substring(0, ix);
  if ((ix = jQuery.browser.fullVersion.indexOf(" ")) != -1)
    jQuery.browser.fullVersion = jQuery.browser.fullVersion.substring(0, ix);

  jQuery.browser.majorVersion = parseInt('' + jQuery.browser.fullVersion, 10);
  if (isNaN(jQuery.browser.majorVersion)) {
    jQuery.browser.fullVersion = '' + parseFloat(navigator.appVersion);
    jQuery.browser.majorVersion = parseInt(navigator.appVersion, 10);
  }
  jQuery.browser.version = jQuery.browser.majorVersion;
})(jQuery);
